[tor-qa] TBB 3.6.4 is ready for testing

Tor Browser 3.6.4 is available for testing at: https://people.torproject.org/~mikeperry/builds/3.6.4/

Here is the changelog: * Update Tor to 0.2.4.23 * Update Tor launcher to 0.2.5.6 * Update OpenSSL to 1.0.1i * Backported Tor Patches: * Bug 11654: Properly apply the fix for malformed bug11156 log message * Bug 11200: Fix a hang during bootstrap introduced in the initial bug11200 patch. * Update NoScript to 2.6.8.36 * Bug 9516: Send Tor Launcher log messages to Browser Console * Update Torbutton to 1.6.11.1 * Bug 11472: Adjust about:tor font and logo positioning to avoid overlap * Bug 12680: Fix Torbutton about url.